Pipe joint



R. DAWSON PIPE JOINT Filed May 22, 1925 INVENTOR ATTORNEY Patented Nov. 3%, lQZfi.

ROBEET DAWSON, OF BBOOKLYZE. E3?!" "03K.

Application filed may 22, 1925. Serial Flo. 32,1'7Q'). V

' To repair a joint of this character a section of the floor must he removed and re" placed, occasioning considerable labor and expense, aswell as fre uently leaving an unsightly place, especia y where the floor is of tile or hard wood.

To avoid these and many other disadvaa to es, the present invention rovides a iiiBX-g ibfia pipe having a lining w ich will resist the action of the waste material passing through the pipe and which has an easily constructed positive connection with the waste or soil ipe.

With the a ove and other objects in view,

the invention further includes the follow ing novel features and details oi construction, to be hereinafter more fully described, illustrated in the accompanying drawings and pointed out in the appended claim.

In the drawiugs:--'

Fi ure 1 is a view partly in section and part yin elevation illustrating a waste pipe connection constructed in accordance with the invention.

Figure 2 is a section on the line'2fi2 of Figure 1. a

-Referring in detail to the drawings Wherein like characters or reference denote corresponding parts, the reference character 10 indicates a portion of a toilet bowl-illustraded by dotted lines, while 11 indicates a portion of a soil or waste pipe to which the bowl is connected.

This connection is effected by the use of a ferrule 12 of brass or other suitable material which has one of its ends joined with an extension or hub 13 carried by the soil pipe 11, the joint being calked as indicated at 14. T he opposite end of the ferrule 12 is connected to one end of a flexible pipe section 15, the opposite end of 'cerlt end claiuping collar 22 and t e extremity off-the $5 the latter-being connected with the outlet of the bowl 10.- I

This flexible pipe section is of novel coostructron and comprises an outer lead camiug lfi and an inner lining 17, the latter as referable consistin of tinned copper and aviug loogitudina ly extending corrugations therein. This lining will resistthe action of acids contained within the Waste matter passing through the pipe, which at acids frequently cause a lead p c section to heco ne crystallized or porous. he lead casmg 15 thus protected and its advantages for connections or this land reta ned as it is easier to cut and makes a much better and to snug fitting'connection than other materials. By corrugating the lli'l'lll. 1? expansion. and

contraction is provided or Connection with the bowl 10 is efiected by bending the pipe 15 outward and clamp I log; the same to the bottom of a bowl by means of an annulus l8 and bolts 19.

fiionnectiou between the ferrule 12 and the fle' ible pipe section 15 is effected by. providing iau enlarged bore 20 at the outer end of 8% the} ferrule and forming a transversely curred annular seat 21 at the inner end of this enlarged bore. Surrounding the adjaof the flexible ope sectioti 15 is a pipe section 15 is turned over the inner end of this collar. The collar 22 and the ad'aw cent end of the ferrule 12 are both provi ed with flanges 23 which receive'holts 2%. By adjusting these holts the collar 22 inward to force the outwardlyturued extremity of the pipe section 15 within the seat 21 so that a lealzproof joint is provided. I

if desired, a gasket 24. may he inteiposed hetween the flanges 23.

The bore of the sleeve 22 is preferably threaded as indicated at 25, so that in the event the bowl isdisconnected, a plug may he threaded into the sleeve to close the end of the ferrule.

The invention is susceptible of various changes in its form, proportions and minor details of construction and the right is herein reserved to make such changes as properly i'ali within the scope of the appended 5 claim.

"Having described the invention what is claimed is i In a waste pipe connection, the combine tion with a rigid pipe section provided 3w is forced $6 wall 9'? leml and, a pliable inner wall of finned. copper, an end of this pliable pipe eecaicm e sec-lion provided with e corresponding in shape and engaging we shoulder, a clamping sleeve fitting 011 the pliable pipe section and being eiteiuling within the enlarged bore Lemmas ilrictionally fitted into the enlarged bore and having an inner recluced; lerminal end ever which the rolled flange engages, and means for tightening the sleeve within the enlarged wall and binding the rolled flange in place, the sleeve having internal threads adapted to receive a plug when the pliable pipe section is removed.

In testimony whereof ll afix my signature.

"ROBERT DAWSON. 

